Display device and electronic device including the same

Abstract

A display device includes a substrate including a first sub-pixel and a second sub-pixel, a light emitting structure on the substrate, a first light conversion pattern disposed in the first sub-pixel on the light emitting structure, a second light conversion pattern disposed in the second sub-pixel on the light emitting structure, and a dichroic layer on the second light conversion layer. The first light conversion pattern includes a light scattering particle, and the second light conversion pattern has an absence of the light scattering particle.

What is claimed is: 
     
         1 . A display device comprising:
 a substrate including a first sub-pixel and a second sub-pixel;   a light emitting structure on the substrate;   a first light conversion pattern disposed in the first sub-pixel on the light emitting structure;   a second light conversion pattern disposed in the second sub-pixel on the light emitting structure; and   a dichroic layer on the second light conversion layer,   wherein the first light conversion pattern includes a light scattering particle, and   the second light conversion pattern has an absence of the light scattering particle.   
     
     
         2 . The display device of  claim 1 , further comprising a low refractive layer on the first light conversion pattern and the second light conversion pattern. 
     
     
         3 . The display device of  claim 2 , wherein the low refractive layer is disposed between the second light conversion pattern and the dichroic layer. 
     
     
         4 . The display device of  claim 1 , further comprising:
 a first color filter on the first light conversion pattern; and   a second color filter on the second light conversion pattern.   
     
     
         5 . The display device of  claim 4 , wherein the dichroic layer is disposed between the second light conversion pattern and the second color filter. 
     
     
         6 . The display device of  claim 4 , wherein the second color filter is disposed between the second light conversion pattern and the dichroic layer. 
     
     
         7 . The display device of  claim 1 , wherein the first light conversion pattern further includes a first light conversion particle, and
 the second light conversion pattern includes a second light conversion particle.   
     
     
         8 . The display device of  claim 1 , wherein the dichroic layer does not overlap with the first light conversion pattern. 
     
     
         9 . The display device of  claim 1 , wherein the dichroic layer overlaps with the first light conversion pattern. 
     
     
         10 . The display device of  claim 1 , wherein the substrate further includes a third sub-pixel, and
 wherein the display device further comprises a light scattering pattern disposed in the third sub-pixel on the light emitting structure.   
     
     
         11 . The display device of  claim 10 , wherein the light scattering pattern includes the light scattering particle. 
     
     
         12 . The display device of  claim 10 , wherein the dichroic layer does not overlap with the light scattering pattern. 
     
     
         13 . The display device of  claim 10 , wherein the dichroic layer overlaps with the light scattering pattern. 
     
     
         14 . A display device comprising:
 a substrate including a first sub-pixel and a second sub-pixel;   a light emitting structure on the substrate;   a first light conversion pattern disposed in the first sub-pixel on the light emitting structure;   a second light conversion pattern disposed in the second sub-pixel on the light emitting structure;   a first color filter on the first light conversion pattern; and   a second color filter on the second light conversion pattern,   wherein the first light conversion pattern includes a light scattering particle, and   the second light conversion pattern has an absence of the light scattering particle, and   wherein the second color filter includes a dichroic dye.   
     
     
         15 . The display device of  claim 14 , wherein the first light conversion pattern further includes a first light conversion particle, and
 the second light conversion pattern includes a second light conversion particle.   
     
     
         16 . The display device of  claim 14 , wherein the substrate further includes a third sub-pixel, and
 wherein the display device further comprises a light scattering pattern disposed in the third sub-pixel on the light emitting structure.   
     
     
         17 . The display device of  claim 16 , wherein the light scattering pattern includes the light scattering particle. 
     
     
         18 . The display device of  claim 16 , further comprising a third color filter on the light scattering pattern. 
     
     
         19 . The display device of  claim 18 , wherein the third color filter includes a dichroic dye. 
     
     
         20 . The display device of  claim 14 , further comprising a low refractive layer on the first light conversion pattern and the second light conversion pattern. 
     
     
         21 . An electronic device comprising:
 a processor to provide input image data; and   a display device to display an image based on the input image data, the display device including sub-pixel areas,   wherein the display device comprises:   a substrate including a first sub-pixel and a second sub-pixel;   a light emitting structure on the substrate;   a first light conversion pattern disposed in the first sub-pixel on the light emitting structure;   a second light conversion pattern disposed in the second sub-pixel on the light emitting structure; and   a dichroic layer on the second light conversion layer,   wherein the first light conversion pattern includes a light scattering particle, and   the second light conversion pattern has an absence of the light scattering particle.